CVE-2026-84482: WWBN AVideo Cross-Site Request Forgery via get_domain() validation

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-01 · updated 2026-09-08
Weakness: CWE-346

Description

WWBN AVideo through commit 9c39d8c8 contains a cross-site request forgery vulnerability in the get_domain() and isSameDomain() functions that fail to properly validate referer origins. Attackers can forge requests from sibling subdomains or unparseable long-gTLD origins to perform administrative ObjectYPT writes including live server configuration changes.

Affected products

WWBN AVideo: through 9c39d8c8b4c1f75540788d6b391740852ceb0732

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-jm6j-xqvq-r8p5
https://www.vulncheck.com/advisories/wwbn-avideo-cross-site-request-forgery-via-get-domain-validation
https://github.com/WWBN/AVideo/security/advisories/GHSA-jm6j-xqvq-r8p5

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